adb shell "su -c '/data/local/tmp/auto-patch.sh'" Watch the logcat output: adb logcat -s AutoPatch . | Feature | Where to edit | Example | |---------|---------------|---------| | Multiple patch streams (e.g., carrier‑specific) | Add a variant field to the manifest and let the script read ro.carrier or a user‑provided env var. | "variant": "AT&T" | | Rollback capability | Store the previous patch_version and keep a copy of the last ZIP in /data/local/tmp/patch_backups/ . Provide a --rollback flag that restores it via TWRP. | if [ "$1" = "--rollback" ]; then … | | Battery‑level guard | Before downloading, check dumpsys battery | grep level . Abort if < 30 %. | BAT=$(dumpsys battery | awk '/level/ print $2') |
# 4. Parse manifest (requires jq) REMOTE_PATCH_VERSION=$(echo "$MANIFEST_JSON" | jq -r .patch_version) PATCH_URL=$(echo "$MANIFEST_JSON" | jq -r .patch_url) PATCH_SHA256=$(echo "$MANIFEST_JSON" | jq -r .patch_sha256) PATCH_TYPE=$(echo "$MANIFEST_JSON" | jq -r .patch_type) # "twrp_zip" or "fastboot"
# 5. Compare versions if [ "$REMOTE_PATCH_VERSION" -le "$SAVED_PATCH_VERSION" ]; then log "Device already at latest patch level – nothing to do." exit 0 fi a127f u7 auto patch
# Reboot into recovery reboot recovery # The script will *not* continue past this point; TWRP will flash, # then reboot back into Android where the script will run again. # To avoid an infinite loop we check the state file later. elif [ "$PATCH_TYPE" = "fastboot" ]; then # -------------------------------------------------------------- # Fastboot approach – we reboot to fastboot and flash images. # -------------------------------------------------------------- log "Rebooting to fastboot …" reboot bootloader # Give the device a few seconds to settle sleep 8
log "New patch detected! Preparing to download…" adb shell "su -c '/data/local/tmp/auto-patch
# 2. Load saved state (if any) if [ -f "$STATE_FILE" ]; then SAVED_PATCH_VERSION=$(jq -r .patch_version "$STATE_FILE") else SAVED_PATCH_VERSION="0" fi log "Last applied patch version: $SAVED_PATCH_VERSION"
# Example fastboot commands (adjust to your actual zip content): fastboot flash boot "$PATCH_FILE/boot.img" fastboot flash system "$PATCH_FILE/system.img" fastboot flash radio "$PATCH_FILE/radio.img" fastboot reboot else log "Unknown patch_type '$PATCH_TYPE' – aborting." rm -rf "$TMP_DIR" exit 1 fi Provide a --rollback flag that restores it via TWRP
# 9. Apply the patch if [ "$PATCH_TYPE" = "twrp_zip" ]; then # -------------------------------------------------------------- # TWRP approach – we reboot into recovery and let TWRP flash it. # -------------------------------------------------------------- log "Rebooting into TWRP to install ZIP …" # Store path in a known location that TWRP can read after reboot. cp "$PATCH_FILE" /cache/recovery/auto_patch.zip
# 1. Get current build id (e.g., "U7-20230915") CURRENT_BUILD=$(getprop ro.build.display.id 2>/dev/null) if [ -z "$CURRENT_BUILD" ]; then log "Cannot read current build id – aborting." exit 1 fi log "Current firmware: $CURRENT_BUILD"